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FLOKA   IND1CA.                                              137
In the absence of fruit, this species and the next cannot be tetter placed than in
the-genus Unotia. They are probably congeners of Unona pannosa, Dalzell, and of
Uvaria virgttta; Blume.
12. U. canliflora (H.f. et T.); foliis lineari-oblongis vel lineari-
lanceolatis brevissime petiolatis "basi rotundatis obtusis, floribus secus
ramos fascfculatis, sepalis dense pilosis, petalis lineaiibus sericeis.
HAS. In peninsula Malayana ad Singapur, Lobb f—(v.«.)
Arlor ? Samuli dense fusco-tomentosi. Folia 5-6 poll, longa, 1 J-l J lata, pe-
tiolo vix lineam longo, incrassato, tomentoso, tenuiter coriacea, snpra lucida, eubtus
(secus costam densius) fusco-pubescentia, nervis falcutis, Ptoret in fasciculo pau-
ciores quam in prsecedente. Pedicetti pedunculo abbreviate lignoso ramoso inserti,
i poll, longi, tomentosi. Sepala ovato-lanceolata, ^-pollicaria. Petala 2& poll,
longa, i poll, lata, (ex sicco) Isete rubra. Stamina indefinita, breviter cuneata, trnn-
cata, antherarnm loculis discretis. Qtaria ovalia, dense albo-strigosa. Omla in
sutura ventral! 3-4.
17. POLYALTHIA, Blume.
Polyalthia, § 1, Blume, Fl. Jap. Anon. 70.
Sepala 3. Petala 6, biserialia, ovata vel elongata, coiiacea, piano
convexa, oest. valvata. Stamina indefinita, connectiyo trancato capi-
tato; anthens lineari-oblongis dorsalibus. Torus apice truncatus, pla-
nus. Ovaria indefinita, oblonga, in sutura ventral! prope basin biovulata.
Stylus oblongiis. Carpella Guatteria.—Arbores, foliis coriaceis, nervfa
obliquis distantibus apice arcuatim connexis inconspicuis, floribus axillari-
6us vel extra-alaribits.
The genus Polyalthia, as originally instituted by Blutne, included four very dis-
tinct groups, all of which were clearly distinguished by that author as sections.
Blume made the character of the genus to rest mainly on the two-ovnled ovary.
This indeed is the principal point of resemblance between the different groups which
he brought together under this genus, while they possess, it appears to us, too many
and important points of distinction to permit of their being associated together.
We have therefore considered each of Blume's sections as a distinct genus, except
Kentia, which is so closely allied to our genus Melodorum that it does not appear
necessary to retain it as a genus. As Blume has foreseen the probability of this being
done, and has given to each section a name, indicating at the same time to which he
desired the generic name to be attached, we have of course made no alteration in
that respect. The true Folyalthia, in the restricted sense, as characterized above,
is much more closely allied to Guatteria, than to any other genus, the flowers being
in no respect different, except by the increased number and different position of the
ovules. The species have, however, a peculiar habit, not like that of the majority
of Guatterue, the very short-petioled leaves giving them a peculiar fecies. Guat-
tcria suberosa, however, approaches the genus Polyaltkia in this respect very closely,
and forms a direct transition from the one genus to the other. "We learn from Blume
that species of Polyalfhia are numerous in the Malayan Archipelago, while within
our limits they are entirely confined to the Malayan peninsula. Besides Blume's
species and those described below, we have before us several species from the Philip-
pines, collected by Cuming. We have also seen an imperfect specimen from Ceylon,
in Dr. "Wight's Herbarium, which resembles P. obliqua, but has oblong-lanceolate
leaves more membranous than those of that species, and long-pedicelled flowers op-
posite the, leaves, not axillary as in P. obligua: it is probably a very distinct species.